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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P100A: AVCS System Stuck >> General Description >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage 10.9 V or more
AVCS control In operation
|Target timing advance change amount (per 80 ms)| Less than 4°CA
|VVT target angle| 12.5°CA or more
Ambient air temperature Less than 7°C (45°F)

GENERAL DRIVING CYCLE 

Perform the diagnosis continuously while AVCS is operating.

DIAGNOSTIC METHOD 

For the diagnostic method and judgment value, refer to the following.

Time needed for diagnosis: 

Malfunction indicator light illumination:  Does not illuminate even when malfunction occurs.